Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) A. L. Patterson,The Scherrer Formula for X-Ray Particle Size Determination,Physical Review,0031-899X,American Physical Society (APS),1939-11-15,56,10,978-982,https://cir.nii.ac.jp/crid/1361418520122366976,https://doi.org/10.1103/physrev.56.978